Cognitive Behavioural Therapy

Frost Multidimensional Perfectionism Scale (FMPS). A 35-item self-report questionnaire which assesses four sub-scales of perfectionism - Concern over mistakes, Excessive concern with parental expectations, Personal Standards and Concern with precision, order and organisation. It is scored on a five-point scale, from "Strongly disagree" (1) to "Strongly agree" (5). Higher scores reflect higher levels of maladaptive perfectionism.

Internalized Shame Scale (ISS). A 30-item self-report questionnaire which assesses internalized shame, and a subscale of self-esteem. It is scored on a five-point scale from "Never" (1) to "Almost always" (5). Higher scores reflect greater symptom severity.

Self-Compassion Scale (SCS-SF). A 12-item self-report questionnaire which assesses degree of self-compassion. It is the briefer version of the Self-Compassion Scale (SCS) (Neff, 2003). It is scored on a five-point scale from "Almost never" (1) to "Almost all of the time" (5). A total score is derived from taking the mean of the 12 items. Higher scores reflect greater self- compassion.

Depression, Anxiety, Stress Scale - 21 (DASS-21). A 21-item self-report questionnaire, which comprises of 3 subscales which assess levels of depression, anxiety and stress. It is scored on a four-point scale, from "Did not apply to me at all" (0) to "Applied to me very much or most of the time" (3). Higher scores reflect greater symptom severity.